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. 2015 Aug 27;41(6):1256–1265. doi: 10.1093/schbul/sbv122

Table 1.

Demographic and Clinical Characteristics

Characteristic Recent-Onset Psychosis (n = 69) Healthy Comparison Group (n = 79) Statistics
Demographic variables
Male (%) 55 (79.7%) 30 (38%) χ2 = 26.24, df = 1, P < .001
Mean age (SD) 22.67±5.2 27.97±5.6 t = 5.93, df = 146, P < .001
Ethnicity (% of Hispanic origin) 13 (18.8%) 8 (7.6%) χ2 = 4.16, df = 1, P = .04
Race (%)
 Caucasian 25 (26.2%) 38 (48.1%) χ2 = 3.66, df = 3, P = .30
 African American 22 (31.9%) 22 (27.8%)
 Asian 15 (21.7%) 16 (20.3%)
 Mixed race/other 7 (10.1%) 3 (3.8%)
Level of education (%, n = 64)
 ≤High school graduate 22 (31.9%) 0 (0%) χ2 = 55.70, df = 4, P < .001
 High school graduate 14 (40.63%) 7 (10.9%)
 Some college 28 (40.6%) 16 (25%)
 College graduate 3 (4.3%) 22 (34.4%)
 Graduate degree 2 (2.9%) 19 (29.7%)
Smoking variables
 Current smokers 34 (49.3%) 8 (10.1%) χ2 = 27.77, df = 1, P < .001
 Fagerstrom total score (in smokers) 2.36±2.16 2.37±1.77 t = 0.15, df = 39, P = .99
 Smoking knowledge (M, SD, n = 63) 84.57±17.95 91.71±7.93 t = 3.17, df = 140, P = .002
 Health literacy (S-TOFHLA) (M, SD) 30.44±6.9 35.24±1.1 t = 6.13, df = 146, P < .001
 Number of smoking-related questions 12.12±6.25 17.36±11.35 t = 3.41, df = 145, P < .001

Note: S-TOFHLA, Test of Functional Health Literacy.